mysql5.7初始化密码报错 ERROR 1820 (HY000): You must reset your password using ALTER USER statement before

提示，需要更新随机密码。

更新密码：   

mysql> set password=password('12345qwe');
Query OK, 0 rows affected, 1 warning (0.00 sec)

之后正常操作

-- 查看数据库 --
> show databases;